16686561640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{18913}}^1$

素因数の和:19091

約数の個数: 128

約数和(自身を含む): 45103080960

約数和(自身を除く): 28416519320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 137, 140, 161, 184, 230, 274, 280, 322, 460, 548, 644, 685, 805, 920, 959, 1096, 1288, 1370, 1610, 1918, 2740, 3151, 3220, 3836, 4795, 5480, 6302, 6440, 7672, 9590, 12604, 15755, 18913, 19180, 22057, 25208, 31510, 37826, 38360, 44114, 63020, 75652, 88228, 94565, 110285, 126040, 132391, 151304, 176456, 189130, 220570, 264782, 378260, 434999, 441140, 529564, 661955, 756520, 869998, 882280, 1059128, 1323910, 1739996, 2174995, 2591081, 2647820, 3044993, 3479992, 4349990, 5182162, 5295640, 6089986, 8699980, 10364324, 12179972, 12955405, 15224965, 17399960, 18137567, 20728648, 24359944, 25910810, 30449930, 36275134, 51821620, 59594863, 60899860, 72550268, 90687835, 103643240, 119189726, 121799720, 145100536, 181375670, 238379452, 297974315, 362751340, 417164041, 476758904, 595948630, 725502680, 834328082, 1191897260, 1668656164, 2085820205, 2383794520, 3337312328, 4171640410, 8343280820, 16686561640]

約数ペア:

[(1, 16686561640), (2, 8343280820), (4, 4171640410), (5, 3337312328), (7, 2383794520), (8, 2085820205), (10, 1668656164), (14, 1191897260), (20, 834328082), (23, 725502680), (28, 595948630), (35, 476758904), (40, 417164041), (46, 362751340), (56, 297974315), (70, 238379452), (92, 181375670), (115, 145100536), (137, 121799720), (140, 119189726), (161, 103643240), (184, 90687835), (230, 72550268), (274, 60899860), (280, 59594863), (322, 51821620), (460, 36275134), (548, 30449930), (644, 25910810), (685, 24359944), (805, 20728648), (920, 18137567), (959, 17399960), (1096, 15224965), (1288, 12955405), (1370, 12179972), (1610, 10364324), (1918, 8699980), (2740, 6089986), (3151, 5295640), (3220, 5182162), (3836, 4349990), (4795, 3479992), (5480, 3044993), (6302, 2647820), (6440, 2591081), (7672, 2174995), (9590, 1739996), (12604, 1323910), (15755, 1059128), (18913, 882280), (19180, 869998), (22057, 756520), (25208, 661955), (31510, 529564), (37826, 441140), (38360, 434999), (44114, 378260), (63020, 264782), (75652, 220570), (88228, 189130), (94565, 176456), (110285, 151304), (126040, 132391)]